Samsung's Earnings Increase,
But Operating Profit Declines

Samsung Electronics Co.'s cellphone business lost momentum in the first quarter, the period when it usually experiences the biggest gains in sales, profit and market share for the year.

That difficulty -- along with greater-than-expected price declines in memory chips, Samsung's other leading business -- combined to drive down first-quarter operating profit by 25%. The South Korean electronics manufacturer's net income rose 26%...